diff options
Diffstat (limited to 'packages/dev-utils/src/rpc.ts')
-rw-r--r-- | packages/dev-utils/src/rpc.ts | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/packages/dev-utils/src/rpc.ts b/packages/dev-utils/src/rpc.ts deleted file mode 100644 index 47a359263..000000000 --- a/packages/dev-utils/src/rpc.ts +++ /dev/null @@ -1,62 +0,0 @@ -import * as ethUtil from 'ethereumjs-util'; -import * as request from 'request-promise-native'; - -import { constants } from './constants'; - -export class RPC { - private _url: string; - private _id: number; - constructor() { - this._url = constants.RPC_URL; - this._id = 0; - } - public async takeSnapshotAsync(): Promise<number> { - const method = 'evm_snapshot'; - const params: any[] = []; - const payload = this._toPayload(method, params); - const snapshotIdHex = await this._sendAsync(payload); - const snapshotId = ethUtil.bufferToInt(ethUtil.toBuffer(snapshotIdHex)); - return snapshotId; - } - public async revertSnapshotAsync(snapshotId: number): Promise<boolean> { - const method = 'evm_revert'; - const params = [snapshotId]; - const payload = this._toPayload(method, params); - const didRevert = await this._sendAsync(payload); - return didRevert; - } - public async increaseTimeAsync(time: number) { - const method = 'evm_increaseTime'; - const params = [time]; - const payload = this._toPayload(method, params); - return this._sendAsync(payload); - } - public async mineBlockAsync(): Promise<void> { - const method = 'evm_mine'; - const params: any[] = []; - const payload = this._toPayload(method, params); - await this._sendAsync(payload); - } - private _toPayload(method: string, params: any[] = []): string { - const payload = JSON.stringify({ - id: this._id, - method, - params, - }); - this._id += 1; - return payload; - } - private async _sendAsync(payload: string): Promise<any> { - const opts = { - method: 'POST', - uri: this._url, - body: payload, - headers: { - 'content-type': 'application/json', - }, - }; - const bodyString = await request(opts); - const body = JSON.parse(bodyString); - return body.result; - } -} |